The Blower and Heater Controls and the A/C System Do Not Work (With A/C)

The blower and heater controls and the A/C system do not work

Probable cause: HVAC control malfunction

Do the HVAC control power and ground circuit troubleshooting HVAC Control Power And Ground Circuit Troubleshooting (With A/C)

Also check for

HVAC DTCs How To Troubleshoot The Heating And A/C Systems

Also check for

Blown fuse No. 36 (10 A) in the under-dash fuse/relay box

Also check for

Faulty blower motor relay

Also check for

Poor ground at G504

Also check for

Poor or loose connections at the terminals